Differential equation` important question. Solve: sec^2 x tany dx + sec^2 y tanx dy = 0

I am here for your help. Inbox me your doubt, I am here to clear it.

[@ankitabhattarai1724]

❤

[@khnaalss]

😇

[@menukagaire-jy6lr]

❤❤

[@Bipin-ir3du]

Thank you for solving❤

[@mathsforfun-dw3sk]

Let me know if you have any other doubt!❤️

[@SarojAcharya-h1l]

Thank you sir for your better explanation❤